2. Engine Overheated Operating state 1. Overload 2. Radiator core clogged 3. Continuous over-run Fuel excessive supply Repair Replace Clean and replace with specified fuel Replenish Replace Retighten Replace Engine disassembly Replace Adjust repair injection pump Repair Replace Damage Repair Replace Repair Replace Clean cooling water passage Engine disassembly - 38 - TECHNICAL INFORMATION Cool ing unit Fuel unit Chec k coolant Inspect fu el quality Nor mal Too lo w Poo r Check fa tension or dama n belt wear ge etc.
Check injec tion nozzle Inspe wate ct cooling r leakage Nor mal Check fr radiator esh tank cap Ext ernal Inte rnal Nor mal Nor mal Abn ormal Check th ermostat Nor mal Inspect radiator Check cooling water pump Nor mal Nor mal